Children can safely and easily experiment with electricity and magnetism using the colorful snap-together blocks, wire connectors, lights, switches and other components in this hands-on kit. Build circuits, conduct tests, magnetize a metal and make invisible magnetic fields visible with the Electricity and Magnetism Experiment Kit! The 64-page, full-color experiment manual guides you through experiments with easy to follow diagrams. 60 experiments. Thames & Kosmos 620417. Ages 8+.